package com.xxxx.server.config.security.compoent;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.sun.istack.internal.NotNull;
import com.xxxx.server.pojo.RespBean;
import lombok.NonNull;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

// 拒绝访问控制器：AccessDeniedHandler
// 当访问接口没有权限时，自定义返回结果
@Component
public class RestfulAccessDeniedHandler implements AccessDeniedHandler {

    @Override
    public void handle(HttpServletRequest httpServletRequest,
                       HttpServletResponse httpServletResponse,
                       AccessDeniedException e) throws IOException, ServletException {
        httpServletResponse.setCharacterEncoding("UTF-8");
        httpServletResponse.setContentType("application/json");
        PrintWriter out = httpServletResponse.getWriter();
        RespBean bean = RespBean.error("RestfulAccessDeniedHandler 拒绝访问");
        bean.setCode(403);
        // 输出
        out.write(new ObjectMapper().writeValueAsString(bean));
        out.flush();
        out.close();
    }
}
